| 单词 | source rock |
| 释义 | > as lemmassource rock source rock n. Geology a rock formation in which a particular mineral material originates; spec. a deposit in which petroleum is formed. ΘΚΠ the world > the earth > minerals > mineral sources > [noun] > source rock source rock1931 the world > the earth > structure of the earth > structural features > formations by contents > [noun] > containing minerals field1672 oil pool1863 oil sand1875 trap1920 source rock1931 trend1939 1931 Bull. Amer. Assoc. Petroleum Geologists 15 161 Source rocks of petroleum include carbonaceous or ‘bituminous’ sedimentary deposits, containing aquatic plant and animal remains..and the products of their biochemical and geochemical alterations. 1965 G. J. Williams Econ. Geol. N.Z. xix. 352/1 Early borings at Kotuku..left little doubt that the oil at Kotuku comes from the Oligocene Cobden Limestone—though this does not necessarily mean that the Limestone is the source rock. 1971 I. G. Gass et al. Understanding Earth xxii. 323/2 The concentration of diamond source-rocks in the older cratons. < as lemmas |
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